.page-news {
  --news-gap: clamp(1.25rem, 3vw, 2.75rem);
  --news-rule: rgba(143, 166, 156, .22);
  --news-rule-strong: rgba(143, 166, 156, .42);
  --news-pad: clamp(3.25rem, 9vw, 7rem);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--mist);
}
.page-news .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease-soft), border-color .25s var(--ease-soft);
}
.page-news .breadcrumbs a:hover {
  color: var(--loud);
  border-bottom-color: var(--neon);
}
.page-news .breadcrumbs span[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -45%;
  left: 34%;
  width: 105%;
  height: 185%;
  background: linear-gradient(152deg, rgba(22, 59, 49, .92) 0%, rgba(22, 59, 49, .18) 54%, rgba(22, 59, 49, 0) 78%);
  transform: rotate(-7deg);
  pointer-events: none;
  z-index: 0;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: 4%;
  width: 58%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), rgba(43, 227, 160, 0));
  opacity: .55;
  transform: rotate(-3deg);
  z-index: 0;
}
.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: minmax(0, 1fr);
}
.page-news .news-hero__copy .index-tag {
  margin-bottom: 1rem;
}
.page-news .news-hero__copy .page-title {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -.03em;
  line-height: 1.06;
  font-size: clamp(2.1rem, 6.4vw, 4.2rem);
  color: var(--paper);
  margin: 0 0 1.25rem;
}
.page-news .news-hero__copy .page-lede {
  max-width: 44ch;
  color: var(--mist);
  font-size: clamp(.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  margin: 0 0 clamp(1.75rem, 3vw, 2.5rem);
}
.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.75rem, 2vw, 1.5rem);
  border-top: 1px solid var(--news-rule);
  padding-top: clamp(1rem, 2.5vw, 1.75rem);
}
.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.page-news .news-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  font-weight: 500;
  color: var(--neon);
  letter-spacing: -.02em;
  line-height: 1;
}
.page-news .news-hero__stats .stat__label {
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--mist);
  line-height: 1.5;
}
.page-news .news-hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  border-top: 1px solid var(--news-rule);
  border-bottom: 1px solid var(--news-rule);
  background: rgba(17, 20, 23, .55);
}
.page-news .news-filter__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .85rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-news .news-filter__inner::-webkit-scrollbar {
  display: none;
}
.page-news .news-filter__label {
  flex: none;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mist);
  text-transform: uppercase;
}
.page-news .news-filter__chips {
  display: flex;
  gap: .5rem;
  flex: none;
}
.page-news .news-filter__chip {
  display: inline-block;
  padding: .42rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--news-rule);
  color: var(--mist);
  font-size: .82rem;
  letter-spacing: .03em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease-soft), border-color .25s var(--ease-soft), background-color .25s var(--ease-soft);
}
.page-news .news-filter__chip:hover,
.page-news .news-filter__chip:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

/* ---------- 通用章节 ---------- */
.page-news .news-section {
  padding: var(--news-pad) 0;
}
.page-news .news-section__head {
  max-width: 62ch;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}
.page-news .news-section__head h2,
.page-news .news-rounds__body h2,
.page-news .news-versions__head h2,
.page-news .news-dictionary__intro h2,
.page-news .news-subscribe__copy h2 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -.025em;
  line-height: 1.16;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  color: var(--paper);
  margin: .9rem 0 .9rem;
}
.page-news .news-section__lede,
.page-news .news-versions__head p {
  color: var(--mist);
  line-height: 1.8;
  margin: 0;
  font-size: clamp(.94rem, 1.5vw, 1.02rem);
}

/* ---------- 最新专题列表 ---------- */
.page-news .news-list {
  display: grid;
  gap: .75rem;
  border-top: 1px solid var(--news-rule);
}
.page-news .topic-item {
  border-bottom: 1px solid var(--news-rule);
}
.page-news .topic-item__summary {
  display: grid;
  gap: .6rem;
  padding: clamp(1.15rem, 3vw, 1.75rem) 0 clamp(1.15rem, 3vw, 1.75rem) 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: padding-left .3s var(--ease-soft);
}
.page-news .topic-item__summary::-webkit-details-marker {
  display: none;
}
.page-news .topic-item__summary:hover {
  padding-left: .75rem;
}
.page-news .topic-item[open] .topic-item__summary {
  padding-left: .75rem;
}
.page-news .topic-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.page-news .topic-tag {
  display: inline-block;
  padding: .28rem .72rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--news-rule-strong);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--mist);
}
.page-news .topic-tag--round {
  border-color: rgba(43, 227, 160, .55);
  color: var(--neon);
}
.page-news .topic-tag--version {
  border-color: rgba(255, 179, 71, .55);
  color: var(--amber);
}
.page-news .topic-tag--offside {
  border-color: rgba(43, 227, 160, .55);
  color: var(--loud);
}
.page-news .topic-tag--dict {
  border-color: rgba(143, 166, 156, .5);
  color: var(--paper);
}
.page-news .topic-tag--case {
  border-color: rgba(31, 111, 92, .9);
  color: var(--loud);
}
.page-news .topic-item__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.08rem, 2.3vw, 1.45rem);
  letter-spacing: -.01em;
  line-height: 1.4;
  color: var(--paper);
}
.page-news .topic-item__meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-news .topic-item__arrow {
  position: absolute;
  right: 0;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 1.5px solid var(--mist);
  border-bottom: 1.5px solid var(--mist);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .3s var(--ease-soft), border-color .3s var(--ease-soft);
}
.page-news .topic-item[open] .topic-item__arrow {
  transform: translateY(-30%) rotate(225deg);
  border-color: var(--neon);
}
.page-news .topic-item__body {
  padding: 0 0 clamp(1.5rem, 3vw, 2rem) .75rem;
  max-width: 70ch;
}
.page-news .topic-item__body p {
  color: var(--mist);
  line-height: 1.85;
  margin: 0 0 1rem;
  font-size: .95rem;
}
.page-news .topic-item__body .link-arrow {
  color: var(--neon);
  font-size: .88rem;
}
.page-news .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--loud);
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 160, .35);
  padding-bottom: .15rem;
  transition: color .25s var(--ease-soft), border-color .25s var(--ease-soft);
}
.page-news .link-arrow::after {
  content: "→";
  font-size: .9em;
  transition: transform .25s var(--ease-soft);
}
.page-news .link-arrow:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}
.page-news .link-arrow:hover::after {
  transform: translateX(4px);
}

/* ---------- 轮次章节 ---------- */
.page-news .news-section--rounds {
  background: linear-gradient(180deg, rgba(22, 59, 49, .35) 0%, rgba(11, 31, 26, 0) 100%);
}
.page-news .news-rounds {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: minmax(0, 1fr);
}
.page-news .news-rounds__mark {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding-bottom: 1rem;
}
.page-news .news-rounds__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: clamp(4.5rem, 20vw, 10rem);
  line-height: .82;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--neon);
  text-stroke: 1.5px var(--neon);
}
.page-news .news-rounds__unit {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--paper);
  letter-spacing: .1em;
}
.page-news .news-rounds__note {
  margin-left: auto;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--amber);
  border: 1px solid rgba(255, 179, 71, .5);
  border-radius: var(--radius-pill);
  padding: .24rem .7rem;
}
.page-news .news-rounds__body .index-tag {
  margin-bottom: .25rem;
}
.page-news .news-rounds__body p {
  color: var(--mist);
  line-height: 1.85;
  margin: 0 0 1.5rem;
  font-size: clamp(.94rem, 1.5vw, 1.02rem);
}
.page-news .news-bullets {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: .75rem;
}
.page-news .news-bullets li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.7;
}
.page-news .news-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 12px;
  height: 2px;
  background: var(--neon);
  opacity: .8;
}
.page-news .news-bullets strong {
  color: var(--paper);
  font-weight: 500;
}
.page-news .news-rounds__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ---------- 版本时间轴 ---------- */
.page-news .news-versions__grid {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: minmax(0, 1fr);
}
.page-news .news-versions__media {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  border-left: 1px solid var(--news-rule);
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.page-news .news-timeline__item {
  position: relative;
}
.page-news .news-timeline__dot {
  position: absolute;
  left: calc(-1.5rem - 5px);
  top: .42em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--neon);
}
.page-news .news-timeline__item h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1rem, 2vw, 1.15rem);
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 .45rem;
}
.page-news .news-timeline__item p {
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 数据词典 ---------- */
.page-news .panel-paper.news-dictionary {
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  color: var(--ink);
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}
.page-news .news-dictionary .index-tag {
  color: var(--teal);
}
.page-news .news-dictionary__intro h2 {
  color: var(--ink);
}
.page-news .news-dictionary__intro p {
  color: rgba(11, 31, 26, .76);
  line-height: 1.85;
  margin: 0;
  max-width: 62ch;
  font-size: clamp(.94rem, 1.5vw, 1.02rem);
}
.page-news .news-dictionary__cols {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid rgba(11, 31, 26, .14);
  padding-top: clamp(1.25rem, 3vw, 2rem);
}
.page-news .news-dictionary__col h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--teal);
  margin: 0 0 .8rem;
}
.page-news .news-dictionary__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}
.page-news .news-dictionary__col li {
  position: relative;
  padding-left: 1rem;
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(11, 31, 26, .8);
}
.page-news .news-dictionary__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1.5px;
  background: var(--teal);
}
.page-news .news-dictionary .btn {
  justify-self: start;
}

/* ---------- 历史回溯案例 ---------- */
.page-news .news-cases {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: var(--news-gap);
}
.page-news .news-case {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  background: rgba(22, 59, 49, .28);
  transition: border-color .3s var(--ease-soft), transform .3s var(--ease-soft);
}
.page-news .news-case:hover {
  border-color: rgba(43, 227, 160, .5);
  transform: translateY(-4px);
}
.page-news .news-case__no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--neon);
  margin-bottom: .75rem;
}
.page-news .news-case h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--paper);
  margin: 0 0 .6rem;
}
.page-news .news-case p {
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.8;
  margin: 0;
}
.page-news .news-cases__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ---------- 订阅更新 ---------- */
.page-news .news-section--subscribe {
  padding-bottom: clamp(4rem, 10vw, 8rem);
}
.page-news .news-subscribe {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, rgba(255, 179, 71, .14) 0%, rgba(22, 59, 49, .55) 55%, rgba(11, 31, 26, .9) 100%);
  border: 1px solid rgba(255, 179, 71, .28);
}
.page-news .news-subscribe__copy .index-tag {
  color: var(--amber);
}
.page-news .news-subscribe__copy p {
  color: var(--mist);
  line-height: 1.85;
  margin: 0 0 1.75rem;
  max-width: 56ch;
  font-size: clamp(.94rem, 1.5vw, 1.02rem);
}
.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}
.page-news .news-subscribe__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  align-content: start;
}
.page-news .news-subscribe__list li {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 179, 71, .22);
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.6;
}
.page-news .news-subscribe__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-news .news-subscribe__list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  color: var(--amber);
  letter-spacing: -.02em;
  line-height: 1;
  flex: none;
  min-width: 3.4em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-list {
    gap: 0;
  }
  .page-news .news-dictionary__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .news-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .news-subscribe__list {
    gap: 1.25rem;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
    gap: clamp(2rem, 4vw, 4rem);
  }
  .page-news .news-rounds {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .page-news .news-rounds__mark {
    grid-column: 1 / -1;
  }
  .page-news .news-rounds__body {
    grid-column: 1;
  }
  .page-news .news-rounds__media {
    grid-column: 2;
    grid-row: 2;
  }
  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .page-news .news-dictionary {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .news-subscribe {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-news .news-hero__grid {
    grid-template-columns: 4fr 8fr;
  }
  .page-news .news-dictionary {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
  .page-news .news-dictionary__intro {
    align-self: start;
  }
  .page-news .news-dictionary__intro h2 {
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  }
  .page-news .news-dictionary__cols {
    border-top: 0;
    padding-top: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-case,
  .page-news .topic-item__summary,
  .page-news .topic-item__arrow,
  .page-news .link-arrow::after {
    transition: none;
  }
  .page-news .news-case:hover {
    transform: none;
  }
}
</main>